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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>It turns out that the Nero version is
working for me after all; I was misunderstanding how the mixed mode CD would
appear in the various playing software. The CD Player does not appear in my Accessories/Entertainment
menu. [Windows XP Pro] I used the trick suggested on this list earlier of using
MediaPlayer to rip the disk, abort the rip, then go back and play the tracks.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> Chris – AE6VK<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
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<p class=MsoNormal><b><font size=2 color=black face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma;color:windowtext;font-weight:bold'>From:</span></font></b><font
size=2 color=black face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;
color:windowtext'> Stephen H. Smith [mailto:wa8lmf2@aol.com] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Tuesday, October 31, 2006
1:24 AM<br>
<b><span style='font-weight:bold'>To:</span></b> <st1:PersonName w:st="on">TAPR
APRS Mailing List</st1:PersonName><br>
<b><span style='font-weight:bold'>Cc:</span></b> dave@emv.co.uk<br>
<b><span style='font-weight:bold'>Subject:</span></b> [aprssig] Re: *** APRS
TNC Test CD Now Available *** Updated Info</span></font><font color=black><span
style='color:windowtext'><o:p></o:p></span></font></p>
</div>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'><a href="mailto:dave@emv.co.uk">dave@emv.co.uk</a>
wrote:<br>
<br>
<o:p></o:p></span></font></p>
<pre wrap=""><font size=2 color=black face="Courier New"><span
style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt'>The track numbering is a bit odd. Track 1 is very short and blank,<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt'>track two announces itself as "Track One" , track 3 announcement is<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt'>"Track Two" and so on....<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt'>The "De-emphasised" audio is "very" muffled, compared to what comes out<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt'>of the rig speaker jacks hear in the <st1:country-region
w:st="on"><st1:place w:st="on">UK</st1:place></st1:country-region>. I'm not aware of any US/EU<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt'>differences in Ham FM radio charactersisics, but I suspect some TNC's<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt'>will struggle with the "De-emphasised" tracks, where as they will work<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt'>just fine with a real FM radio speaker jack feed. I have a collection<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt'>of TNC-220's, none have a problem with radio speaker feeds, so long as<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt'>you load the radio with say a 10r resistor, and that's more like keeping<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt'>the radio's speaker output chip bias point in the right place.<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt'>The "Non de-emphasised" audio examples are as expected very "bright" to<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt'>say the least.<o:p></o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt'> <o:p></o:p></span></font></pre>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'> <br>
I have added this to the TNCtest index page at:<br>
<br>
<a href="http://wa8lmf.net/TNCtest/index.htm">http://wa8lmf.net/TNCtest/index.htm</a><br>
<br>
just above the file download links.<br>
<br>
" <o:p></o:p></span></font></p>
<h2 align=center style='text-align:center'><b><font size=5 color=red
face=Verdana><span style='font-size:18.0pt;font-family:Verdana;color:red'>READ
THIS FIRST !!!</span></font><o:p></o:p></b></h2>
<p><font size=3 color="#111111" face=Verdana><span style='font-size:12.0pt;
font-family:Verdana;color:#111111'>The image file you download produces a <b><u><span
style='font-weight:bold'>MIXED MODE</span></u></b> disk that combines CD-ROM
data and audio CD tracks. </span></font><o:p></o:p></p>
<ul type=disc>
<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
mso-list:l0 level1 lfo1'><u><font size=3 color="#111111" face=Verdana><span
style='font-size:12.0pt;font-family:Verdana;color:#111111'>This is not a
normal CD_ROM.</span></font></u><font color="#111111" face=Verdana><span
style='font-family:Verdana;color:#111111'><br>
</span></font><o:p></o:p></li>
<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
mso-list:l0 level1 lfo1'><u><font size=3 color="#111111" face=Verdana><span
style='font-size:12.0pt;font-family:Verdana;color:#111111'>This is not a
normal audio CD.<br>
</span></font></u><o:p></o:p></li>
<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
mso-list:l0 level1 lfo1'><font size=3 color="#111111" face=Verdana><span
style='font-size:12.0pt;font-family:Verdana;color:#111111'>It is a
combination of the two. When you place this disk in a computer CD
drive, you will only see the CD-ROM data part of the disk. <b><u><span
style='font-weight:bold'>The audio tracks will NOT show, and will NOT
automatically start playing.</span></u></b> </span></font><o:p></o:p></li>
</ul>
<p><font size=3 color="#111111" face=Verdana><span style='font-size:12.0pt;
font-family:Verdana;color:#111111'>Go to the Windows Start menu and do Start --
Programs -- Accessories -- Entertainment, and select the "CD Player"
applet. You will get an on-screen display that looks like a car stereo CD
player with start, stop and track select buttons and a volume control.
Use this software "device" to play the audio tracks. </span></font><o:p></o:p></p>
<p><font size=3 color="#111111" face=Verdana><span style='font-size:12.0pt;
font-family:Verdana;color:#111111'>In a non-computer audio player such as a
boombox or DiskMan (or a CD-ROM drive being used stand-alone outside of a
computer), the drive may mistakenly see the first (data) track as a defective
unplayable audio track and do nothing. If so, use the track selector button to
jump to the next (first actual audio) track.</span></font><o:p></o:p></p>
<p><font size=3 color=black face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<p><font size=3 color="#111111" face=Verdana><span style='font-size:12.0pt;
font-family:Verdana;color:#111111'>The de-emphasis on track 2 sounds muddier
than most radios because the de-emphasis in most radios doesn't conform to the
official de-emphasis curve. Many radios don't even begin to roll off
until 1K or higher rather than starting at 300 Hz, in an effort to have
"punchier" audio. The recording reflects "worse case"
de-emphasis roll-off . </span></font><o:p></o:p></p>
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